Year	Number
2002	2989982
2003	2973850
2004	2382783
2005	2317670
2006	2703570
2007	2349684
2008	2307071
2009	2195092
2010	2034200
2011	2387053
2012	2506616
2013	2684937
2014	2347603
2015	2324763
2016	1861199